
package com.unit;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import android.util.Log;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

public class Json {

    public static Map<String, Object> getMap(String jsonString)
    {
        JSONObject jsonObject;
        try
        {
            jsonObject = new JSONObject(jsonString);
            @SuppressWarnings("unchecked")
            Iterator<String> keyIter = jsonObject.keys();
            String key;
            Object value;
            Map<String, Object> valueMap = new HashMap<String, Object>();
            while (keyIter.hasNext())
            {
                key = (String) keyIter.next();
                value = jsonObject.get(key);
                valueMap.put(key, value);
                Log.d(key, value.toString());
            }
            return valueMap;
        } catch (JSONException e)
        {
            e.printStackTrace();
        }
        return null;
    }

    public static List<Map<String, Object>> getList(String jsonString)
    {
        List<Map<String, Object>> list = null;
        try
        {
            JSONArray jsonArray = new JSONArray(jsonString);
            JSONObject jsonObject;
            list = new ArrayList<Map<String, Object>>();
            for (int i = 0; i < jsonArray.length(); i++)
            {
                jsonObject = jsonArray.getJSONObject(i);
                list.add(getMap(jsonObject.toString()));
            }
        } catch (Exception e)
        {
            e.printStackTrace();
        }
        return list;
    }

    public static String JsontoString(List<?> list) throws Exception {
        JSONArray array = new JSONArray();
        JSONObject member = null;
        for (Object obj : list) {
            member = new JSONObject();
            member.put("site", ((Map<?, ?>) obj).get("site"));
            member.put("studenturl", ((Map<?, ?>) obj).get("studenturl"));
            member.put("teacherurl", ((Map<?, ?>) obj).get("teacherurl"));
            array.put(member);
        }
        return array.toString();
    }

}
